GB1404546A - Process for purifying commercial-grade phosphoric acid by extraction - Google Patents

Process for purifying commercial-grade phosphoric acid by extraction

Info

Publication number
GB1404546A
GB1404546A GB2893573A GB2893573A GB1404546A GB 1404546 A GB1404546 A GB 1404546A GB 2893573 A GB2893573 A GB 2893573A GB 2893573 A GB2893573 A GB 2893573A GB 1404546 A GB1404546 A GB 1404546A
Authority
GB
United Kingdom
Prior art keywords
acid
organic phase
phase
inorganic
oetker
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2893573A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chemische Fabrik Budenhiem KG
Original Assignee
Chemische Fabrik Budenhiem KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chemische Fabrik Budenhiem KG filed Critical Chemische Fabrik Budenhiem KG
Publication of GB1404546A publication Critical patent/GB1404546A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23GCLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/36Regeneration of waste pickling liquors
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/46Preparation involving solvent-solvent extraction
    • C01B25/461Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/46Preparation involving solvent-solvent extraction
    • C01B25/461Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
    • C01B25/462Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound the extracting agent being alcohol or a mixture of alcohols

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
GB2893573A 1972-06-19 1973-06-19 Process for purifying commercial-grade phosphoric acid by extraction Expired GB1404546A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2229602 1972-06-19

Publications (1)

Publication Number Publication Date
GB1404546A true GB1404546A (en) 1975-09-03

Family

ID=5848004

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2893573A Expired GB1404546A (en) 1972-06-19 1973-06-19 Process for purifying commercial-grade phosphoric acid by extraction

Country Status (9)

Country Link
JP (1) JPS5310957B2 (enrdf_load_stackoverflow)
BE (1) BE796996A (enrdf_load_stackoverflow)
DE (1) DE2229602B1 (enrdf_load_stackoverflow)
FR (1) FR2189316B1 (enrdf_load_stackoverflow)
GB (1) GB1404546A (enrdf_load_stackoverflow)
IL (1) IL42487A (enrdf_load_stackoverflow)
IT (1) IT982777B (enrdf_load_stackoverflow)
NL (1) NL173627C (enrdf_load_stackoverflow)
SE (1) SE386148B (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2433307C3 (de) * 1974-07-11 1984-03-22 Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim Verfahren zur Abtrennung eines Phosphorsäure-organisches Lösungsmittel-Wasser-Gemisches
DE2435789C3 (de) * 1974-07-25 1984-06-20 Hoechst Ag, 6230 Frankfurt Verfahren zur Reinigung von Phosphorsäure mit Hilfe von 3-Methoxybutanol
DE2538720C2 (de) * 1975-08-30 1982-11-18 Giulini Chemie Gmbh, 6700 Ludwigshafen Verfahren zur Reinigung von Naßverfahrensphosphorsäure
FR2447348A1 (fr) * 1979-01-24 1980-08-22 Rhone Poulenc Ind Procede de purification d'un acide phosphorique impur
JPS55124490U (enrdf_load_stackoverflow) * 1979-02-27 1980-09-03
DE3328499A1 (de) * 1983-08-06 1985-02-14 Hoechst Ag, 6230 Frankfurt Verfahren zur verminderung des fluorgehaltes einer nassverfahrensphosphorsaeure

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1531487A (fr) * 1967-05-11 1968-07-05 Pechiney Saint Gobain Procédé continu perfectionné de purification de l'acide phosphorique par les solvants
DE2029564C3 (de) * 1970-06-16 1978-06-22 Giulini Chemie Gmbh, 6700 Ludwigshafen Verfahren zur Herstellung von reinen Alkaliphosphaten aus Rohphosphorsäure

Also Published As

Publication number Publication date
FR2189316A1 (enrdf_load_stackoverflow) 1974-01-25
IL42487A (en) 1977-02-28
IL42487A0 (en) 1973-08-29
IT982777B (it) 1974-10-21
BE796996A (fr) 1973-07-16
FR2189316B1 (enrdf_load_stackoverflow) 1978-07-21
NL7304362A (enrdf_load_stackoverflow) 1973-12-21
DE2229602B1 (de) 1973-09-27
SE386148B (sv) 1976-08-02
NL173627C (nl) 1984-02-16
NL173627B (nl) 1983-09-16
JPS5310957B2 (enrdf_load_stackoverflow) 1978-04-18
JPS4963692A (enrdf_load_stackoverflow) 1974-06-20

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee